- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT04101916
PAS in Subacute SCI
March 1, 2024 updated by: Anastasia Shulga, Helsinki University Central Hospital
Paired Associative Stimulation in Subacute Spinal Cord Injury
The investigators have recently shown in incomplete SCI patients that long-term paired associative stimulation is capable of restoring voluntary control over some paralyzed muscles and enhancing motor output in the weak muscles.
In this study, the investigators will administer long-term paired associative stimulation to patients with incomplete cervical level SCI at the subacute stage, and investigate its effectiveness for upper extremity rehabilitation.
Study Overview
Status
Enrolling by invitation
Conditions
Intervention / Treatment
Study Type
Interventional
Enrollment (Estimated)
24
Phase
- Not Applicable
Contacts and Locations
This section provides the contact details for those conducting the study, and information on where this study is being conducted.
Study Locations
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Uusimaa
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Helsinki, Uusimaa, Finland, 00029
- BioMag laboratory, Helsinki University Central Hospital
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Participation Criteria
Researchers look for people who fit a certain description, called eligibility criteria. Some examples of these criteria are a person's general health condition or prior treatments.
Eligibility Criteria
Ages Eligible for Study
18 years to 75 years (Adult, Older Adult)
Accepts Healthy Volunteers
No
Description
Inclusion Criteria:
- SCI caused by an external trauma or SCI caused by nontraumatic non-progressive disease of the spinal cord
- Cervical level injury, tetraplegia
- Time from injury/onset of symptoms 1-4 months
- Medical condition stable
- Residual neural connectivity in upper extremity: some voluntary activity in finger muscles or MEPs obtainable from distal hand muscles
Exclusion Criteria:
- Diagnosed brain damage, visible in MRI or CT.
- No activity in hands/fingers and no MEPs recorded from distal hand muscles.
- Epilepsy
- Metal inclusion in the head area
- High intracranial pressure
- Pacemaker
- Implanted hearing device
- Progressive diseases of spinal cord or brain (e.g. malignant tumors, degenerative diseases).
- History of malignant tumor within the past 5 years.
- Previous head or spinal cord injury affecting the motor performance of upper extremities.
- Congenital anomaly in the anatomical structure of spinal canal/cord or dura.
- Significant systemic disease or other condition that could cause neurological deficit, or may affect subject's capability to undergo investigation-related procedures.
- Acute severe infection.
- Contraindications for MRI.
- Current severe psychiatric diseases.
- Current chronic drug and/or alcohol abuse.
- Pregnancy.
- Severe emergency care polyneuropathy
- Pressure ulcer affecting the subject's capability to undergo the procedure safely
Study Plan
This section provides details of the study plan, including how the study is designed and what the study is measuring.
How is the study designed?
Design Details
- Primary Purpose: Treatment
- Allocation: Randomized
- Interventional Model: Parallel Assignment
- Masking: Double
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
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Sham Comparator: Sham
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Sham transcranial magnetic stimulation and sham peripheral nerve stimulation.
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Experimental: Paired Associative Stimulation
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Paired associative stimulation (PAS) administered several times per week for 12 weeks to upper limbs.
PAS comprises transcranial magnetic stimulation (eXimia magnetic stimulator, Nexstim Ltd, Helsinki, Finland) and peripheral nerve stimulation (given with Dantec Keypoint® electroneuromyography device (Natus Medical Incorporated, Pleasanton, CA, USA)).
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What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Daniels and Worthingham's Muscle Testing
Time Frame: Change from baseline score immediately after, 6 months after and 1 year after last stimulation session
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hand muscle strength is evaluated on 0-5 scale (0=no movement, 5=normal)
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Change from baseline score immediately after, 6 months after and 1 year after last stimulation session
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Spinal Cord Independence Measure (SCIM)
Time Frame: Change from baseline score immediately after, 6 months after and 1 year after last stimulation session
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standard SCIM evaluation
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Change from baseline score immediately after, 6 months after and 1 year after last stimulation session
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Collaborators and Investigators
This is where you will find people and organizations involved with this study.
Publications and helpful links
The person responsible for entering information about the study voluntarily provides these publications. These may be about anything related to the study.
General Publications
- Tolmacheva A, Savolainen S, Kirveskari E, Lioumis P, Kuusela L, Brandstack N, Ylinen A, Makela JP, Shulga A. Long-Term Paired Associative Stimulation Enhances Motor Output of the Tetraplegic Hand. J Neurotrauma. 2017 Sep 15;34(18):2668-2674. doi: 10.1089/neu.2017.4996. Epub 2017 Jul 21.
- Shulga A, Lioumis P, Zubareva A, Brandstack N, Kuusela L, Kirveskari E, Savolainen S, Ylinen A, Makela JP. Long-term paired associative stimulation can restore voluntary control over paralyzed muscles in incomplete chronic spinal cord injury patients. Spinal Cord Ser Cases. 2016 Jul 14;2:16016. doi: 10.1038/scsandc.2016.16. eCollection 2016.
- Tolmacheva A, Makela JP, Shulga A. Increasing the frequency of peripheral component in paired associative stimulation strengthens its efficacy. Sci Rep. 2019 Mar 7;9(1):3849. doi: 10.1038/s41598-019-40474-0.
- Shulga A, Lioumis P, Kirveskari E, Savolainen S, Makela JP, Ylinen A. The use of F-response in defining interstimulus intervals appropriate for LTP-like plasticity induction in lower limb spinal paired associative stimulation. J Neurosci Methods. 2015 Mar 15;242:112-7. doi: 10.1016/j.jneumeth.2015.01.012. Epub 2015 Jan 15.
- Shulga A, Zubareva A, Lioumis P, Makela JP. Paired Associative Stimulation with High-Frequency Peripheral Component Leads to Enhancement of Corticospinal Transmission at Wide Range of Interstimulus Intervals. Front Hum Neurosci. 2016 Sep 23;10:470. doi: 10.3389/fnhum.2016.00470. eCollection 2016.
- Tolmacheva A, Savolainen S, Kirveskari E, Brandstack N, Makela JP, Shulga A. Paired associative stimulation improves hand function after non-traumatic spinal cord injury: A case series. Clin Neurophysiol Pract. 2019 Aug 13;4:178-183. doi: 10.1016/j.cnp.2019.07.002. eCollection 2019.
- Rodionov A, Savolainen S, Kirveskari E, Makela JP, Shulga A. Restoration of hand function with long-term paired associative stimulation after chronic incomplete tetraplegia: a case study. Spinal Cord Ser Cases. 2019 Oct 1;5:81. doi: 10.1038/s41394-019-0225-5. eCollection 2019.
Study record dates
These dates track the progress of study record and summary results submissions to ClinicalTrials.gov. Study records and reported results are reviewed by the National Library of Medicine (NLM) to make sure they meet specific quality control standards before being posted on the public website.
Study Major Dates
Study Start (Actual)
October 10, 2019
Primary Completion (Estimated)
May 10, 2024
Study Completion (Estimated)
December 10, 2024
Study Registration Dates
First Submitted
September 18, 2019
First Submitted That Met QC Criteria
September 23, 2019
First Posted (Actual)
September 24, 2019
Study Record Updates
Last Update Posted (Actual)
March 4, 2024
Last Update Submitted That Met QC Criteria
March 1, 2024
Last Verified
March 1, 2024
More Information
Terms related to this study
Additional Relevant MeSH Terms
Other Study ID Numbers
- WFL-FI-15/19
Drug and device information, study documents
Studies a U.S. FDA-regulated drug product
No
Studies a U.S. FDA-regulated device product
No
This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.
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